docs: add RCarloniGertosio as a contributor (#64)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

Author: allcontributors[bot]

.all-contributorsrc

@@ -83,6 +83,15 @@
       "contributions": [
         "content"
       ]
+    },
+    {
+      "login": "RCarloniGertosio",
+      "name": "RCarloniGertosio",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/49195242?v=4",
+      "profile": "https://github.com/RCarloniGertosio",
+      "contributions": [
+        "content"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -1,6 +1,6 @@
 <a href="http://www.cosmostat.org/" target_="blank"><img src="http://www.cosmostat.org/wp-content/uploads/2017/07/CosmoStat-Logo_WhiteBK.jpg" width="400"></a>
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-8-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-9-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 # CosmoStat Tutorials
@@ -107,6 +107,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   </tr>
   <tr>
     <td align="center"><a href="http://www.cosmostat.org/people/jgirard/"><img src="https://avatars1.githubusercontent.com/u/10849756?v=4" width="100px;" alt=""/><br /><sub><b>Julien N Girard</b></sub></a><br /><a href="#content-JulienNGirard" title="Content">🖋</a></td>
+    <td align="center"><a href="https://github.com/RCarloniGertosio"><img src="https://avatars0.githubusercontent.com/u/49195242?v=4" width="100px;" alt=""/><br /><sub><b>RCarloniGertosio</b></sub></a><br /><a href="#content-RCarloniGertosio" title="Content">🖋</a></td>
   </tr>
 </table>